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Technical Specifications

Analysis Methods

  • 1-D nonlinear time domain analyses with and without pore water pressure generation
  • 1-D equivalent linear frequency domain analyses including convolution and deconvolution
  • 1-D linear time and frequency domain analyses.

Soil Profile Definition

  • Multiple Profile Manager
  • Automatic Profile Generation
  • Multi-layer Profile Definition
  • Curve Fitting Soil Parameters
  • Single element test
  • Profile plots – shear wave velocity, max frequency, small strain damping ratio, implied strength
  • Soil Models – Linear, General Quadratic/Hyperbolic Model (GQ/H), Pressure-Dependent Modified Kondner Zelasko (MKZ), Yee, Discrete Points (Equivalent Linear)
  • Non-Masing and Masing Hysteretic Re/Unloading Formulations
  • Excess Pore Water Pressure Generation Models – Sand (Vucetic/Dobry), Clay (Matasovic), Sand (GMP), Sand (Park/Ahn), General (Berrill/Davis)
  • Elastic and Rigid Halfspace (Bedrock)

Ground Motion

  • Pre-saved ground motion records
  • Import additional records
  • Time history plots - acceleration, velocity, displacement, Arias intensity
  • Spectral Plots - Response spectrum and Fourier amplitude spectrum (FAS)
  • Spectral Plot Tools - Smoothed FAS, Duhamel Integral (with/without Timestep Correction), Newmark Beta Method (with/without Timestep Correction)
  • Ground Motion Metrics - PGA, PGV, PGD, Timestep, Nyquist Frequency, Number of Points
  • Kappa Estimation
  • Baseline Correction
  • Timestep Reduction
  • Motion Scaling

Viscous/Small-Strain Damping Formulations

  • Frequency Independent
  • Rayleigh Damping

Results

  • Multiple Motion and Layer Plots
  • Time history plots - Acceleration, Velocity, Displacement, Arias Intensity
  • Stress-Strain Plots
  • Spectral Plots - Response Spectrum and Fourier Amplitude Spectrum (FAS)
  • Profile Plots
  • Mobilized Stress Profile Plots
  • Displacement Animation
  • Response Spectra Summary
  • Check Convergence Plots

Miscellaneous Features

  • Export to Excel
  • Copy Data as Text to Clipboard
  • Copy Chart Image to Clipboard
  • English and Metric Unit Systems
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